File: dlgdirsel.cpp

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// ****************************************************************************
//  Project:        GUYMAGER
// ****************************************************************************
//  Programmer:     Guy Voncken
//                  Police Grand-Ducale
//                  Service de Police Judiciaire
//                  Section Nouvelles Technologies
// ****************************************************************************
//  Module:         Directory selection dialog
// ****************************************************************************

#include <QtGui>

#include "common.h"
#include "dlgmessage.h"
#include "dlgdirsel.h"
#include "dlgdirsel_private.h"

// -----------------------------
//           Constants
// -----------------------------


// -----------------------------
//           Classes
// -----------------------------

class t_DlgDirSelLocal
{
   public:
      QDirModel   *pModel;
      t_TreeView  *pTree;
      QPushButton *pButtonOk;
      QPushButton *pButtonCancel;
      QString     *pPath;
};

t_DlgDirSel::t_DlgDirSel ()
{
   CHK_EXIT (ERROR_DLGDIRSEL_CONSTRUCTOR_NOT_SUPPORTED)
} //lint !e1401 pOwn not initialised

t_DlgDirSel::t_DlgDirSel (QString *pPath, QWidget *pParent, Qt::WFlags Flags)
   :QDialog (pParent, Flags)
{
   QVBoxLayout *pLayout;
   static bool   Initialised = false;
   QModelIndex   IndexCurrentDir;

   if (!Initialised)
   {
      Initialised = true;
      CHK_EXIT (TOOL_ERROR_REGISTER_CODE (ERROR_DLGDIRSEL_CONSTRUCTOR_NOT_SUPPORTED))
   }

   pOwn         = new t_DlgDirSelLocal;
   pOwn->pTree  = new t_TreeView (this);
   pOwn->pModel = new QDirModel  (this);
   pOwn->pModel->setReadOnly (false);
   pOwn->pTree ->setModel(pOwn->pModel);
   pOwn->pPath  = pPath;

   IndexCurrentDir = pOwn->pModel->index(*pPath);
   pOwn->pTree->setCurrentIndex (IndexCurrentDir);
   pOwn->pTree->setExpanded     (IndexCurrentDir, true);
   pOwn->pTree->scrollTo        (IndexCurrentDir);
   pOwn->pTree->setColumnWidth  (0, 300);

   setWindowTitle (tr ("Select destination directory", "Dialog title"));
   pLayout = new QVBoxLayout (this);
   setLayout (pLayout);

   pLayout->addWidget (pOwn->pTree);


   // Dialog buttons
   // --------------

   QHBoxLayout *pLayoutButtons = new QHBoxLayout ();
   pLayout->addLayout (pLayoutButtons);

   pOwn->pButtonOk     = new QPushButton (QObject::tr("Ok"    ), this);
   pOwn->pButtonCancel = new QPushButton (QObject::tr("Cancel"), this);
   pLayoutButtons->addWidget (pOwn->pButtonOk    );
   pLayoutButtons->addWidget (pOwn->pButtonCancel);
   pOwn->pButtonOk->setDefault (true);

   CHK_QT_EXIT (connect (pOwn->pButtonOk    , SIGNAL (released()), this, SLOT(SlotAccept())))
   CHK_QT_EXIT (connect (pOwn->pButtonCancel, SIGNAL (released()), this, SLOT(reject    ())))
   CHK_QT_EXIT (connect (pOwn->pTree, SIGNAL(SignalCurrentChanged (const QModelIndex &)),
                         this       , SLOT  (SlotCurrentChanged   (const QModelIndex &))))


   pOwn->pTree->setContextMenuPolicy(Qt::CustomContextMenu);
   CHK_QT_EXIT (connect(pOwn->pTree, SIGNAL(customContextMenuRequested(const QPoint &)),
                        this       , SLOT  (SlotContextMenu           (const QPoint &))))
}

void t_DlgDirSel::SlotCurrentChanged (const QModelIndex &Current)
{
   bool Enable;

   Enable = pOwn->pModel->isDir (Current);
   pOwn->pButtonOk->setEnabled(Enable);
}

void t_DlgDirSel::SlotContextMenu (const QPoint &Position)
{
   QMenu        Menu;
   QAction      ActionNewDir (tr("New directory"), this);
   QAction      ActionRmDir  (tr("Remove directory"), this);
   QAction    *pAction;
   QModelIndex  CurrentIndex;

   CurrentIndex = pOwn->pTree->indexAt (Position);
   if (CurrentIndex.isValid() && pOwn->pModel->isDir (CurrentIndex))
   {
      Menu.addAction (&ActionNewDir);
      Menu.addAction (&ActionRmDir);

      pAction = Menu.exec (pOwn->pTree->mapToGlobal (Position));

      if (pAction == &ActionNewDir)
      {
         pOwn->pModel->mkdir (CurrentIndex, tr("NewDirectory", "Name of the new directory that will be created"));
      }
      else if (pAction == &ActionRmDir)
      {
         bool Success = pOwn->pModel->rmdir (CurrentIndex);
         if (!Success)
            CHK_EXIT (t_DlgMessage::Show ("Cannot be removed", "Only empty directories can be removed", false))
      }
   }
}


void t_DlgDirSel::SlotAccept (void)
{
   QModelIndex IndexCurrent;

   IndexCurrent = pOwn->pTree->currentIndex();
   *(pOwn->pPath) = pOwn->pModel->filePath (IndexCurrent);

   accept();
}


t_DlgDirSel::~t_DlgDirSel ()
{
   delete pOwn->pModel;
   delete pOwn->pTree;
   delete pOwn;
}